The laminar separation, transition, and turbulent reattachment near the leading edge of a cylindrical nose-constant thickness airfoil model were investigated using a low turbulence, low speed smoke wind tunnel. The locations of separation, transition, and reattachment were obtained from smoke flow photographs and surface oil flow techniques for chord Reynolds number from about 150000 to 470000. These visual data combined with static pressure distributions and lift and drag measurements delineate the effects of angle of attack, flap deflection angle, and chord Reynolds number on the separation bubble characteristics. The data concerning the length of the laminar and turbulent portions of the bubble agree with the empirical prediction methods for short bubbles. (Stoehr)


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    Title :

    On the laminar separation, transition, and turbulent reattachment of low Reynolds Number flows near the leading edge of airfoils


    Additional title:

    Ueber die Stroemungsverhaeltnisse an der Vorderkante von Tragfluegeln bei Stroemungen mit niedrigen Reynoldszahlen


    Contributors:
    Arena, A.V. (author) / Mueller, T.J. (author)

    Published in:

    AIAA-Papers ; Jan ; 1-11


    Publication date :

    1979


    Size :

    11 Seiten, 18 Bilder, 20 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English